fix: improve GitHub mirror workflow reliability

- Added workflow_dispatch for manual triggering
- Added debugging steps to identify issues
- Clean up existing branches before creating new ones
- Remove existing remotes to avoid conflicts
- Added GitHub token verification
- Added completion status messages
- Made workflow more resilient with better error handling

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.gitea/workflows/mirror-to-github.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - main
+  workflow_dispatch:  # Allow manual triggering
 
 jobs:
   mirror:
@@ -19,11 +20,22 @@ jobs:
           git config --global user.name "the-luap"
           git config --global user.email "paul-nothaft@hotmail.de"
 
+      - name: Debug - Show current branch and status
+        run: |
+          echo "Current branch:"
+          git branch -a
+          echo "Git status:"
+          git status
+          echo "Remote info:"
+          git remote -v
+
       - name: Create filtered branch
         run: |
-        
+          # Clean up any existing github-mirror branch
+          git branch -D github-mirror || true
+          
           # Create a new branch for GitHub
-          git checkout --orphan -b github-mirror
+          git checkout --orphan github-mirror
           
           # Remove sensitive files/directories
           # Example: Remove .env files, private configs, etc.
@@ -48,12 +60,37 @@ jobs:
           # Commit the changes
           git commit -m "Remove sensitive files for GitHub mirror" || true
 
+      - name: Check GitHub token
+        env:
+          GITHUBTOKEN: ${{ secrets.GITHUBTOKEN }}
+        run: |
+          if [ -z "$GITHUBTOKEN" ]; then
+            echo "ERROR: GITHUBTOKEN secret is not set!"
+            exit 1
+          else
+            echo "GitHub token is available (length: ${#GITHUBTOKEN})"
+          fi
+
       - name: Push to GitHub
         env:
           GITHUBTOKEN: ${{ secrets.GITHUBTOKEN }}
         run: |
+          # Remove existing github remote if it exists
+          git remote remove github || true
+          
           # Add GitHub remote
           git remote add github https://x-access-token:${GITHUBTOKEN}@github.com/the-luap/picpeak.git
           
+          # Verify remote was added
+          echo "GitHub remote added:"
+          git remote -v
+          
           # Force push the filtered branch to GitHub main
-          git push github github-mirror:main --force
+          echo "Pushing to GitHub..."
+          git push github github-mirror:main --force
+          echo "Push completed successfully!"
+
+      - name: Workflow completed
+        run: |
+          echo "✅ Mirror to GitHub workflow completed successfully!"
+          echo "Check https://github.com/the-luap/picpeak to verify the mirror."